大约有 40,000 项符合查询结果(耗时:0.0499秒) [XML]
Do you need text/javascript specified in your tags?
...he same kind of short-sighted thinking that makes people name their files "_new" and confuses other people for years. Is it the "_new"? Or "_new_new"? Or "_newer"? IMO it's short-sighted.
– Slobaum
Apr 11 '13 at 1:51
...
How do I measure the execution time of JavaScript code with callbacks?
... put this at the top of my app.
var start = process.hrtime();
var elapsed_time = function(note){
var precision = 3; // 3 decimal places
var elapsed = process.hrtime(start)[1] / 1000000; // divide by a million to get nano to milli
console.log(process.hrtime(start)[0] + " s, " + elapsed....
How to create a fixed-size array of objects
...ray.append().
var array = [SKSpriteNode]()
array.reserveCapacity(64)
for _ in 0..<64 {
array.append(SKSpriteNode())
}
If you know the minimum amount of elements you'll add to it, but not the maximum amount, you should rather use array.reserveCapacity(minimumCapacity: 64).
...
Debug code-first Entity Framework migration codes
... answered Jul 19 '13 at 22:02
m_davidm_david
3,00711 gold badge1313 silver badges1515 bronze badges
...
What is the best way to find the users home directory in Java?
...FolderPath allows you to retrieve special folders, like My Documents (CSIDL_PERSONAL) or Local Settings\Application Data (CSIDL_LOCAL_APPDATA).
Sample JNA code:
public class PrintAppDataDir {
public static void main(String[] args) {
if (com.sun.jna.Platform.isWindows()) {
...
How to merge two arrays in JavaScript and de-duplicate items
...
With Underscore.js or Lo-Dash you can do:
console.log(_.union([1, 2, 3], [101, 2, 1, 10], [2, 1]));
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js"></script>
http://underscorejs.org/#union
http://lodash.com/docs#union
...
Remove empty elements from an array in Javascript
..."", undefined, 2].filter(Boolean); // [1, 2]
or using underscorejs.org:
_.filter([1, false, "", undefined, 2], Boolean); // [1, 2]
// or even:
_.compact([1, false, "", undefined, 2]); // [1, 2]
share
|
...
What does “%” (percent) do in PowerShell?
...at the % operation starts script blocks after the pipeline, although about_Script_Blocks indicates the % isn't necessary.
...
SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
... Yeah, looks like for Mysql, the JOIN is considered part of the 'table_references' part of a query. MySQL Join
– AWP
Jan 25 '19 at 20:15
add a comment
...
Converting from a string to boolean in Python?
...
Use:
bool(distutils.util.strtobool(some_string))
Python 2: http://docs.python.org/2/distutils/apiref.html?highlight=distutils.util#distutils.util.strtobool
Python 3: https://docs.python.org/3/distutils/apiref.html#distutils.util.strtobool
True values are y...